noun. The state or quality of being dour; obstinacy; stubbornness.

noun. The characteristic of being dour; gloominess; sternness.

"Though he has some of the dour qualities of a stereotypical literary figure of that occupation, such dourness is shot through and almost eradicated by a number of complexities and redemptive qualities."

abstinent  already  aswe  discarding  hard-heartedness